Below are features available in the inverters these days.
LCD Display: Inverters with LCD display show the Backup time remaining in case of power cut and battery charging time in case when grid supply is normal. It helps user to plan activities efficiently and effectively. Zelio, Optimus and iCruze series are equipped with LCD displays.
Fast Battery charging: In areas where there are frequent power cuts, it becomes imperative for inverter to charge the battery faster so that maximum backup is available in the next outage. Shakti charge, Eco Volt neo and Eco watt Rapid are fast battery charging inverters
Smart and connected inverters: these inverters can easily connect to the smart phone via an application and share real time inverter battery performance statistics. Smart inverters are available in both Bluetooth and WiFi technology. Zelio –I and Zelio WiFi are smart inverters
You can check Luminous website for these features.